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TLS Online TPP Program

#Question id: 23584

Which of the following statements is true concerning sticky ends?

#Unit 13. Methods in Biology
  1. They are fragments with single strand extensions at only the 5ʹ end of a restriction endonuclease.
  2. They can transiently base pair to complementary sticky ends on vector DNA.
  3. They can covalently join to the vector in a reaction catalysed by DNA gyrase.

  4. All of the above

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TLS Online TPP Program

#Question id: 12738

#Unit 13. Methods in Biology

Match  the following:
1. Growth Factors                                                    i. GTPase
2. Protein kinases                                                    ii. PDGF
3. G- Proteins                                                           iii. DNA binding protein
4. Nucleus located transcription factors      iv.Serine Kinases
TLS Online TPP Program

#Question id: 4793

#Unit 8. Inheritance Biology

Hypophosphatemia is caused by an X-linked dominant gene in humans. Normal man marries with Hypophosphatemia woman whose father is normal. What will be observation in their child is correct?

a. All daughters affected                                      b. half of their daughters affected

c. All sons affected                                              d. half of their son’s affected
TLS Online TPP Program

#Question id: 5772

#Unit 8. Inheritance Biology

A missense mutation in Neurospora will revert by treatment with nitrous acid (causes transversions), but not by hydroxylamine (causes AT -> GC transitions). The original mutation (not the reversion) must have been
TLS Online TPP Program

#Question id: 1334

#Unit 4. Cell Communication and Cell Signaling

Flattened, two-dimensional protrusion of membrane, supported by a meshwork of actin filaments, that is extended from the leading edge of crawling epithelial cells, fibroblasts, and some neurons is known as
TLS Online TPP Program

#Question id: 11861

#General Aptitude

Four metal rods of lengths 78 cm , 104 cm , 117 cm and 169 cm are to be cut into parts of equal length. Each part must be as long as possible . What is the maximum number of pieces that can be cut ?